PREFACE xiii
ACKNOWLEDGMENTS xvii
1 SEMICONDUCTOR DIODES 1
1.1 Introduction 1
1.2 Ideal Diode 1
1.3 Semiconductor Materials 3
1.4 Energy Levels 6
1.5 Extrinsic Materials—n- and p-Type 7
1.6 Semiconductor Diode 10
1.7 Resistance Levels 17
1.8 Diode Equivalent Circuits 24
1.9 Diode Specification Sheets 27
1.10 Transition and Diffusion Capacitance 31
1.11 Reverse Recovery Time 32
1.12 Semiconductor Diode Notation 32
1.13 Diode Testing 33
1.14 Zener Diodes 35
1.15 Light-Emitting Diodes (LEDs) 38
1.16 Diode Arrays—Integrated Circuits 42
1.17 PSpice Windows 43
2 DIODE APPLICATIONS 51
2.1 Introduction 51
2.2 Load-Line Analysis 52
2.3 Diode Approximations 57
2.4 Series Diode Configurations with DC Inputs 59
2.5 Parallel and Series-Parallel Configurations 64
2.6 AND/OR Gates 67
2.7 Sinusoidal Inputs; Half-Wave Rectification 69
2.8 Full-Wave Rectification 72
2.9 Clippers 76
2.10 Clampers 83
2.11 Zener Diodes 87
2.12 Voltage-Multiplier Circuits 94
2.13 PSpice Windows 97
3 BIPOLAR JUNCTION TRANSISTORS 112
3.1 Introduction 112
3.2 Transistor Construction 113
3.3 Transistor Operation 113
3.4 Common-Base Configuration 115
3.5 Transistor Amplifying Action 119
3.6 Common-Emitter Configuration 120
3.7 Common-Collector Configuration 127
3.8 Limits of Operation 128
3.9 Transistor Specification Sheet 130
3.10 Transistor Testing 134
3.11 Transistor Casing and Terminal Identification 136
3.12 PSpice Windows 138
4 DC BIASING—BJTS 143
4.1 Introduction 143
4.2 Operating Point 144
4.3 Fixed-Bias Circuit 146
4.4 Emitter-Stabilized Bias Circuit 153
4.5 Voltage-Divider Bias 157
4.6 DC Bias with Voltage Feedback 165
4.7 Miscellaneous Bias Configurations 168
4.8 Design Operations 174
4.9 Transistor Switching Networks 180
4.10 Troubleshooting Techniques 185
4.11 PNP Transistors 188
4.12 Bias Stabilization 190
4.13 PSpice Windows 199
5 FIELD-EFFECT TRANSISTORS 211
5.1 Introduction 211
5.2 Construction and Characteristics of JFETs 212
5.3 Transfer Characteristics 219
vi Contents
5.4 Specification Sheets (JFETs) 223
5.5 Instrumentation 226
5.6 Important Relationships 227
5.7 Depletion-Type MOSFET 228
5.8 Enhancement-Type MOSFET 234
5.9 MOSFET Handling 242
5.10 VMOS 243
5.11 CMOS 244
5.12 Summary Table 246
5.13 PSpice Windows 247
6 FET BIASING 253
6.1 Introduction 253
6.2 Fixed-Bias Configuration 254
6.3 Self-Bias Configuration 258
6.4 Voltage-Divider Biasing 264
6.5 Depletion-Type MOSFETs 270
6.6 Enhancement-Type MOSFETs 274
6.7 Summary Table 280
6.8 Combination Networks 282
6.9 Design 285
6.10 Troubleshooting 287
6.11 P-Channel FETs 288
6.12 Universal JFET Bias Curve 291
6.13 PSpice Windows 294
7 BJT TRANSISTOR MODELING 305
7.1 Introduction 305
7.2 Amplification in the AC Domain 305
7.3 BJT Transistor Modeling 306
7.4 The Important Parameters: Zi, Zo, Av, Ai 308
7.5 The re Transistor Model 314
7.6 The Hybrid Equivalent Model 321
7.7 Graphical Determination of the h-parameters 327
7.8 Variations of Transistor Parameters 331
8 BJT SMALL-SIGNAL ANALYSIS 338
8.1 Introduction 338
8.3 Common-Emitter Fixed-Bias Configuration 338
8.3 Voltage-Divider Bias 342
8.4 CE Emitter-Bias Configuration 345
8.3 Emitter-Follower Configuration 352
8.6 Common-Base Configuration 358
Contents vii
8.7 Collector Feedback Configuration 360
8.8 Collector DC Feedback Configuration 366
8.9 Approximate Hybrid Equivalent Circuit 369
8.10 Complete Hybrid Equivalent Model 375
8.11 Summary Table 382
8.12 Troubleshooting 382
8.13 PSpice Windows 385
9 FET SMALL-SIGNAL ANALYSIS 401
9.1 Introduction 401
9.2 FET Small-Signal Model 402
9.3 JFET Fixed-Bias Configuration 410
9.4 JFET Self-Bias Configuration 412
9.5 JFET Voltage-Divider Configuration 418
9.6 JFET Source-Follower (Common-Drain) Configuration 419
9.7 JFET Common-Gate Configuration 422
9.8 Depletion-Type MOSFETs 426
9.9 Enhancement-Type MOSFETs 428
9.10 E-MOSFET Drain-Feedback Configuration 429
9.11 E-MOSFET Voltage-Divider Configuration 432
9.12 Designing FET Amplifier Networks 433
9.13 Summary Table 436
9.14 Troubleshooting 439
9.15 PSpice Windows 439
10 SYSTEMS APPROACH—EFFECTS OF Rs AND RL 452
10.1 Introduction 452
10.2 Two-Port Systems 452
10.3 Effect of a Load Impedance (RL) 454
10.4 Effect of a Source Impedance (Rs) 459
10.5 Combined Effect of Rs and RL 461
10.6 BJT CE Networks 463
10.7 BJT Emitter-Follower Networks 468
10.8 BJT CB Networks 471
10.9 FET Networks 473
10.10 Summary Table 476
10.11 Cascaded Systems 480
10.12 PSpice Windows 481
11BJT AND JFET FREQUENCY RESPONSE 493
11.1 Introduction 493
11.2 Logarithms 493
11.3 Decibels 497
11.4 General Frequency Considerations 500
11.5 Low-Frequency Analysis—Bode Plot 503
11.6 Low-Frequency Response—BJT Amplifier 508
11.7 Low-Frequency Response—FET Amplifier 516
11.8 Miller Effect Capacitance 520
11.9 High-Frequency Response—BJT Amplifier 523
11.10 High-Frequency Response—FET Amplifier 530
11.11 Multistage Frequency Effects 534
11.12 Square-Wave Testing 536
11.13 PSpice Windows 538
12 COMPOUND CONFIGURATIONS 544
12.1 Introduction 544
12.2 Cascade Connection 544
12.3 Cascode Connection 549
12.4 Darlington Connection 550
12.5 Feedback Pair 555
12.6 CMOS Circuit 559
12.7 Current Source Circuits 561
12.8 Current Mirror Circuits 563
12.9 Differential Amplifier Circuit 566
12.10 BIFET, BIMOS, and CMOS Differential Amplifier Circuits 574
12.11 PSpice Windows 575
13 DISCRETE AND IC MANUFACTURING TECHNIQUES 588
13.1 Introduction 588
13.2 Semiconductor Materials, Si, Ge, and GaAs 588
13.3 Discrete Diodes 590
13.4 Transistor Fabrication 592
13.5 Integrated Circuits 593
13.6 Monolithic Integrated Circuit 595
13.7 The Production Cycle 597
13.8 Thin-Film and Thick-Film Integrated Circuits 607
13.9 Hybrid Integrated Circuits 608
14 OPERATIONAL AMPLIFIERS 609
14.1 Introduction 609
14.2 Differential and Common-Mode Operation 611
14.3 Op-Amp Basics 615
14.4 Practical Op-Amp Circuits 619
14.5 Op-Amp Specifications—DC Offset Parameters 625
14.6 Op-Amp Specifications—Frequency Parameters 628
14.7 Op-Amp Unit Specifications 632
14.8 PSpice Windows 638
15 OP-AMP APPLICATIONS 648
15.1 Constant-Gain Multiplier 648
15.2 Voltage Summing 652
15.3 Voltage Buffer 655
15.4 Controller Sources 656
15.5 Instrumentation Circuits 658
15.6 Active Filters 662
15.7 PSpice Windows 666
16 POWER AMPLIFIERS 679
16.1 Introduction—Definitions and Amplifier Types 679
16.2 Series-Fed Class A Amplifier 681
16.3 Transformer-Coupled Class A Amplifier 686
16.4 Class B Amplifier Operation 693
16.5 Class B Amplifier Circuits 697
16.6 Amplifier Distortion 704
16.7 Power Transistor Heat Sinking 708
16.8 Class C and Class D Amplifiers 712
16.9 PSpice Windows 714
17 LINEAR-DIGITAL ICs 721
17.1 Introduction 721
17.2 Comparator Unit Operation 721
17.3 Digital-Analog Converters 728
17.4 Timer IC Unit Operation 732
17.5 Voltage-Controlled Oscillator 735
17.6 Phase-Locked Loop 738
17.7 Interfacing Circuitry 742
17.8 PSpice Windows 745
18 FEEDBACK AND OSCILLATOR CIRCUITS 751
18.1 Feedback Concepts 751
18.2 Feedback Connection Types 752
18.3 Practical Feedback Circuits 758
18.4 Feedback Amplifier—Phase and Frequency Considerations 765
18.5 Oscillator Operation 767
18.6 Phase-Shift Oscillator 769
18.7 Wien Bridge Oscillator 772
18.8 Tuned Oscillator Circuit 773
18.9 Crystal Oscillator 776
18.10 Unijunction Oscillator 780
19 POWER SUPPLIES (VOLTAGE REGULATORS) 783
19.1 Introduction 783
19.2 General Filter Considerations 783
19.3 Capacitor Filter 786
19.4 RC Filter 789
19.5 Discrete Transistor Voltage Regulation 792
19.6 IC Voltage Regulators 799
19.7 PSpice Windows 804
20 OTHER TWO-TERMINAL DEVICES 810
20.1 Introduction 810
20.2 Schottky Barrier (Hot-Carrier) Diodes 810
20.3 Varactor (Varicap) Diodes 814
20.4 Power Diodes 818
20.5 Tunnel Diodes 819
20.6 Photodiodes 824
20.7 Photoconductive Cells 827
20.8 IR Emitters 829
20.9 Liquid-Crystal Displays 831
20.10 Solar Cells 833
20.11 Thermistors 837
21 pnpn AND OTHER DEVICES 842
21.1 Introduction 842
21.2 Silicon-Controlled Rectifier 842
21.3 Basic Silicon-Controlled Rectifier Operation 842
21.4 SCR Characteristics and Ratings 845
21.5 SCR Construction and Terminal Identification 847
21.6 SCR Applications 848
21.7 Silicon-Controlled Switch 852
21.8 Gate Turn-Off Switch 854
21.9 Light-Activated SCR 855
21.10 Shockley Diode 858
21.11 DIAC 858
21.12 TRIAC 860
21.13 Unijunction Transistor 861
21.14 Phototransistors 871
21.15 Opto-Isolators 873
21.16 Programmable Unijunction Transistor 875
22 OSCILLOSCOPE AND OTHER MEASURING INSTRUMENTS 884
22.1 Introduction 884
22.2 Cathode Ray Tube—Theory and Construction 884
22.3 Cathode Ray Oscilloscope Operation 885
22.4 Voltage Sweep Operation 886
22.5 Synchronization and Triggering 889
22.6 Multitrace Operation 893
22.7 Measurement Using Calibrated CRO Scales 893
22.8 Special CRO Features 898
22.9 Signal Generators 899
APPENDIX A: HYBRID PARAMETERS—
CONVERSION EQUATIONS
(EXACT AND APPROXIMATE) 902
APPENDIX B: RIPPLE FACTOR AND
VOLTAGE CALCULATIONS 904
APPENDIX C: CHARTS AND TABLES 911
APPENDIX D: SOLUTIONS TO SELECTED
ODD-NUMBERED PROBLEMS 913
INDEX 919
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